Answer:24 • (1-1/3^n) divided by 1-(1/3)
Step-by-step explanation:
Got the question wrong but this is the right answer
X+ 77.5 because if you subtract 25 from 180 you get 155. Then divide 155 by 2 and you get 77.5
(-1)^4 is = (-1)(-1)(-1)(-1)= 1
Hope this helps!